128306025

素因数分解:

$3^4\times 5^2\times {\mathrm{63361}}^1$

素因数の和:63383

約数の個数: 30

約数和(自身を含む): 237670862

約数和(自身を除く): 109364837

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 63361, 190083, 316805, 570249, 950415, 1584025, 1710747, 2851245, 4752075, 5132241, 8553735, 14256225, 25661205, 42768675, 128306025]

約数ペア:

[(1, 128306025), (3, 42768675), (5, 25661205), (9, 14256225), (15, 8553735), (25, 5132241), (27, 4752075), (45, 2851245), (75, 1710747), (81, 1584025), (135, 950415), (225, 570249), (405, 316805), (675, 190083), (2025, 63361)]